JERN Newtons Cradle Steel Balance Pendulum Ball (Parallel Bar)

Fun Development Educational Desk Toy Gift Newtons Cradle Steel Balance Ball Physics Science Pendulum Size: 14 cm x 14.5 cm x 12 cm. Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy. Friction and damping effects are also observed. Often used as a toy to amuse people. Includes steel balls, plastic frames and base. Great gift for everyone. Package Included: 1 x Newtons Cradle Balance Balls Desk Toy